package com.feizhou.oauth.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

//由于Spring boot starter自动装配机制,这里无需使用@EnableWebSecurity
//@EnableWebSecurity
@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true) // 方法授权
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
    
    // 密码编码器,不加密
    @Bean
    public PasswordEncoder passwordEncoder() {
        // return NoOpPasswordEncoder.getInstance(); // 不加密
        return new BCryptPasswordEncoder();// BCryptPasswordEncoder加密
    }
    
    // web url 拦截规则
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()
                
                .anyRequest().authenticated()// 所有其他请求必须认证通过
                .and().formLogin().loginPage("/login").successForwardUrl("/login-success")// 自定义登录成功的页面地址
                .permitAll().and().logout().permitAll().and()// 会话管理
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.IF_REQUIRED);// 会话管理
    }
}